Add two QUIC_CODE_COUNT for trimming full time wait list and remove expired connections.
Add two QUIC_CODE_COUNT for trimming full time wait list and remove expired connections.

PiperOrigin-RevId: 325438312
Change-Id: I9a6600d1bb3f11cdb2d7dd5c66f3329d9f605dda

google/quiche,google/quiche,google/quiche,google/quiche